ANALYTICAL KEY 



11 



Ovary inferior or so closely and permanently invested by the 



calyx as to appear so. 

 Parasites on the branches of trees 

 Not parasitic. 

 Aquatic herbs 

 Terrestrial. 



Herbs with the calyx corolla-like. 

 Leaves opposite 

 Leaves alternate 

 Shrubs or trees with scurfy leaves 



Ovary or its cells containing many ovules. 

 Ovary or ovaries superior. 

 Ovaries 2 or more, separate 

 Ovary 1. 



Ovary 3-S-celled; leaves opposite or whorled 

 Ovary 1-2-celled. 

 Leaves compound 

 Leaves simple. 

 Sepala distinct 

 Sepals more or less united. 



Calyx 5-toothed or -cleft, Glaux in 

 Calyx 4-toothed or -cleft, Synihyris in 

 Ovary and pod inferior, Chrysosplenium in 



34. loranthaceae, 145 

 82. Haloragidaceae, 345 



39. Nyctaginaceae, 172 



35. Santalaceae, 146 



. 79, Elaeagnaceae, 331 



45. Ranunculaceae, 189 



40, AlZOACBAE, 176 



45. Rantjnculaceae, 189 



42. Cakyophyllaceae, 180 



90. Primulaceae, 372 



104. Schophulakiaceae, 437 



51. Saxifragaceae, 233 



CALYX AND COROLLA BOTH PRESENT 



COROLLA OF SEPABATB PETALS 



Stamens numerous, at least more than 10 (j-arely 9-10 in Polanisia) and more 

 than twice as many as the sepals or calyx-lobes. 

 Cal3rx entirely free and separate from the pistil or pistils. 



Pistils several to many, wholly distinct, or united at base into a 

 strongly lobed or several-beaked ovary. 

 Aquatics with peltate leaves 43. Nymphabaceae, 188 



Terrestrial plants. 



Usually climbers, with opposite leaves. Clematis in 



45. Ranunculaceae, 189 

 Not climbing, the leaves alternate. 



Filaments united into a tube 72. Malvaceae, 316 



Filaments distinct, on the calyx 54. Rosaceae, 245 



Pistils strictly 1 as to ovary; the styles and stigmas sometimes 

 more numerous. 

 Leaves punctate with pellucid dots 75. Hypebicaceae, 320 



Leaves not punctate. 

 Ovary simple, 1-oelled. 



Ovules 2,' seed solitary 56. DAtipaceae, 269 



Ovules tftany; leaves 2-3-teniately compound or dissected 



45. Ranunculaceae, 189 

 Ovary compound as shown by- the niunber of its cells, 

 placentae, styles, or stigmas. 

 Ovary 1-celled. 



Placentae parietal; juice watery, milky, or yellow. 



Sepals 2 (rarely 3) 47. Papavehacbae, 205 



